Note 9 - Stock Option and Stock Plans (Details) - Stock Option Plan Summary	12 Months Ended
	Dec. 31, 2015 shares	[1]
The 2008 Stock Incentive Plan [Member]
Note 9 - Stock Option and Stock Plans (Details) - Stock Option Plan Summary [Line Items]
Total Shares Authorized	600,000
Shares Issued	463,420
Shares Remaining	136,580
The 2009A Officers, Directors, Employees and Consultants Nonqualified Stock Option Plan [Member]
Note 9 - Stock Option and Stock Plans (Details) - Stock Option Plan Summary [Line Items]
Total Shares Authorized	20,000,000	[2],[3]
Shares Issued	5,381,792	[3]
Shares Remaining	14,618,208	[3]

[1] The Board of Directors has approved all stock, stock option and stock warrant issuances.

[2] One option reserves one share of common stock.

[3] This plan replaces and supersedes in their entirety the Company's Outside director and Advisor Stock Option Plan, as amended and restated as of May 11, 1999; the Company's 1996 Employee's Stock Option Plan, as amended and restated as of May 11, 1999; and the Company's First Amended 2006 Employee's Stock Option and Stock Bonus Plan; provided however, that options already issued and outstanding under said superseded plans shall continue to be outstanding and exercisable in accordance with their terms, as such may have been extended or re-priced from time to time, and the terms of any applicable option agreements entered into between the Company and the Optionee. This Plan expired December 31, 2014.